Used in reference to recreational drugs, specifically for crank and/or crystal methamphetamines (amphetamine used in the form of a crystalline hydrochloride). Majority of crank and/or crystal meth users have the tendency of hilluccinating the "creepy/crawlies" - bugs crawling on body and hair.

GUY-ONE:"Hey Dude, I heard you got 'BUGS'? "
GUY-TWO:"Yea, I was up all night."

Bi Until Graduation (B.U.G.): term for numerous college females who frequently engage in (usually drunken) sexual activity with other college females, generally doing do for an audience or camera. After college however, they refuse any sort of activity again, calling it "gross" and that in college they were just "experimenting".

"Whoa, I heard Vanessa made out with Carly last night at Rick's party!"

"Yeah dude, she's not a lesbian though, just a B.U.G. She's just doing it for attention."